diff --git a/trunk/ConsoleDataMigration/ConsoleBackup/Exporter.cpp b/trunk/ConsoleDataMigration/ConsoleBackup/Exporter.cpp
index 9979eed..69778bd 100644
--- a/trunk/ConsoleDataMigration/ConsoleBackup/Exporter.cpp
+++ b/trunk/ConsoleDataMigration/ConsoleBackup/Exporter.cpp
@@ -278,7 +278,7 @@ void GetSaveDataDirectoryRoot()
         for (s32 i = 6; i < 8; ++i)
         {
             bit32 n = (rootHash[k] >> ((7 - i) * 4)) & 0xf;
-            NN_TASSERT_(0 <= n && n < 16);
+            NN_TASSERT_(n < 16);
             rootStr[i - 6 + k * 2] = static_cast<char> (n < 10 ? '0' + n : 'a' + (n - 10));
         }
     }
diff --git a/trunk/ConsoleDataMigration/common/SimplePlayer.cpp b/trunk/ConsoleDataMigration/common/SimplePlayer.cpp
index 9753b92..97e8a76 100644
--- a/trunk/ConsoleDataMigration/common/SimplePlayer.cpp
+++ b/trunk/ConsoleDataMigration/common/SimplePlayer.cpp
@@ -183,7 +183,7 @@ void InitializeSimplePlayer()
 
 void PlaySound(u8 index)
 {
-    NN_ASSERT(0 <= index <= nFiles);
+    NN_ASSERT(index <= nFiles);
 
     while(!s_SoundThreadInitialized)
     {
diff --git a/trunk/ConsoleDataMigration/common/common_Types.h b/trunk/ConsoleDataMigration/common/common_Types.h
index 3190f25..9c7f50d 100644
--- a/trunk/ConsoleDataMigration/common/common_Types.h
+++ b/trunk/ConsoleDataMigration/common/common_Types.h
@@ -50,6 +50,7 @@ struct VerDef
     nn::pl::CTR::NetworkUpdateVersion   nup;
 };
 
+// TODO:リージョン追加時に範囲外アクセスにならないよう注意
 const nn::ProgramId     cCupVerId[] =
 {
     nn::pl::CTR::SHAREDDATA_TITLEID_CUP_VERSION_JP,